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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Walnut Park Mutual Water Company

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

MORE ABOUT THIS CONTAMINANT

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND10ND
2014ND10ND
2015N/A00N/A
2016ND30ND
2017N/A00N/A
2018ND120ND
2019ND90ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-292891012ND
2014-04-024D02044-01AND
2016-07-209588-003-1032ND
2016-07-209588-008-0955ND
2016-07-209588-004-1049ND
2018-01-169588-003-0754ND
2018-01-169588-008-0820ND
2018-01-169588-004-0748ND
2018-04-179588-003-0657ND
2018-04-179588-004-0709ND
2018-04-179588-008-0751ND
2018-07-269588-004-0708ND
2018-07-269588-003-0658ND
2018-07-269588-008-0748ND
2018-10-309588-003-0722ND
2018-10-309588-008-0752ND
2018-10-309588-004-0720ND
2019-01-249588-003-0750ND
2019-01-249588-004-0729ND
2019-01-249588-008-0839ND
2019-04-239588-004-0850ND
2019-04-239588-008-0935ND
2019-04-239588-003-0855ND
2019-08-219588-003-0955ND
2019-08-219588-008-1045ND
2019-12-179588-004-1010ND